JP2000017805A - Staircase structure and assembling method of staircase - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent occurrence of staircase sound by a very simple constitution by filling the inside of a groove part formed on the lower face of a stage plate with an elastic adhesive and fitting the upper edge of a riser plate to the groove part. SOLUTION: The upper sides of wooden riser plates 2, 2 are fitted to the lower faces of wooden stage plates 1, 1 to construct a wooden staircase. In the assembling method, before the riser plate 2 is fitted, adhesives 3, 3 are filled into the inside of a groove part 1a along the groove part 1a, and the upper edge of the riser plate 2 is fitted to the groove part 1a. Therefore, the stage plate 1 and the riser plate 2 do not directly come into contact with each other, and even when large load is applied on ascending and descending the staircase, staircase sound does not occur. The groove part 1a is formed of a plurality of stage parts or if the upper side of the riser plate 2 is in the form of a projection, it is preferable.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a staircase structure and a method of assembling a staircase to be used for elevating a general house.

[0002]

2. Description of the Related Art Conventionally, a staircase constructed in a general house or the like has been constructed by combining a wooden step board and a burr board (see, for example, Japanese Utility Model Publication No. Sho 56-8752).

As described above, when a wooden step board and a burr board are combined, when a load is applied at the time of going up and down the stairs, these boards rub against each other to generate stairs.

[0004] Therefore, in order to prevent the stairs from rumbling due to the rubbing of the plates, a spacer made of plastic or the like is interposed in a groove formed on the lower surface of the step plate to prevent the rubbing of the plates (for example, in practice). Kosho 58-349
09, JP-A-3-293458 and JP-A-5
-79143 publication).

[0005]

However, the spacer made of plastic or the like cannot sufficiently follow the subtle distortion of the step board, and does not completely prevent the stairs from ringing.

An object of the present invention is to provide a staircase structure and a method of assembling a staircase capable of reliably preventing generation of a staircase sound.

[0007]

In order to achieve the above object, in the staircase structure according to the first aspect, an elastic adhesive is interposed between the groove formed on the lower surface of the step plate and the recessed plate. It is characterized by: Examples of the elastic adhesive include an acrylic emulsion-based adhesive, a silicone-based adhesive, and a modified silicone-based adhesive.

[0008] The staircase structure according to claim 2 is characterized in that the groove formed on the lower surface of the step plate is formed of a plurality of steps, or the upper side of the recess plate is convex. I have.

The method for assembling a stair according to a third aspect of the present invention is
When combining the step board and the recessed board, the groove formed on the lower surface of the step board is filled with an elastic adhesive, and then the upper side of the recessed board is inserted to assemble the stairs.

[0010]

In the staircase structure according to the first aspect of the present invention, since the elastic adhesive is interposed between the groove formed on the lower surface of the step plate and the recessed plate, the stepped plate and the recessed plate do not come into direct contact with each other. Since the boards do not rub against each other, no rumbling of stairs occurs.

In addition, the cured body of the elastic adhesive elastically follows the displacement due to the bending of the step board when walking on the stairs, and does not peel off. No longer.

In the staircase structure according to the second aspect, the groove formed on the lower surface of the step plate is formed of a plurality of steps, or the upper side of the dent plate is convex, so that it is elastically bonded. Even if there is some variation in the filling amount of the agent, it hardly protrudes to the decorative side (outside) of the baffle plate, the assembling work becomes easy, and the stairs can be prevented from sounding as in claim 1.

The method of assembling a stair according to claim 3 is
After filling the groove formed on the lower surface of the step board with the elastic adhesive on one side, the upper side of the baffle plate is inserted to assemble the stairs, so the gap between the step plate and the brace plate is filled with the elastic adhesive, and the Follow the deflection and distortion to prevent stairs.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS (Embodiment 1) Hereinafter, a staircase structure and a method of assembling a staircase according to an embodiment of the present invention will be described with reference to the drawings. FIG. It is an expanded sectional view. In the first embodiment, as shown in FIGS. 1 and 2, the upper side of the dent board 2 is formed on the lower surface of the step board 1 in order to construct a wooden stair by combining the wooden step board 1 and the wooden nest board 2. Before fitting into the groove 1a, the elastic adhesive 3 is filled in the groove 1a along the groove 1a, and the upper edge of the recess 2 is fitted into the groove 1a of the step board 1. Steps are formed.

Since the elastic adhesive 3 is filled between the groove 1a of the step board 1 and the recess 2 by the above-described structure, the wooden step 1 and the recess 2 do not come into direct contact with each other. Even if a large load is applied when moving up and down the stairs, the plates 1 and 2 do not rub against each other, so that the conventional stair noise does not occur.

Further, since only the elastic adhesive 3 is filled between the groove 1a of the step board 1 and the recessed board 2, there is no individual difference between the steps by the operator, as in this embodiment. If the stairs are constructed, the noise of the stairs can be reliably prevented.

The elastic adhesive used in Example 1 is MT Multi 100 (manufactured by Mitsui Toatsu Chemicals, Inc.), and the cured product of the elastic adhesive has an elongation of 850% and a 50% modulus of 33 N /. cm ² (measured with a No. 3 dumbbell test piece in accordance with JIS K6301), so that it can elastically follow the displacement due to the deflection of the step board during stairs walking and cause peeling. There is no rubbing between the boards, and there is no stairs.

(Embodiment 2) A staircase structure and a method of assembling a staircase as another embodiment of the present invention will be described with reference to FIG.
3A is a cross-sectional view of a main part thereof, and FIG. 3B is a perspective view of the groove 1b as viewed from below. In the second embodiment, as shown in FIGS. 3A and 3B, the groove 1 b formed on the lower surface of the step board 1 includes the first groove and the second groove formed on the bottom surface of the first groove. The groove 1b is filled with an elastic adhesive 3 along the groove 1b, and the upper edge of the recessed plate 2 is fitted into the groove 1b of the step 1 so that the stairs are formed. Is formed.

A groove 1b formed on the lower surface of the step board 1
Is formed as a two-step groove composed of the first groove part and the second groove part formed on the bottom surface of the first groove part. Therefore, even if the filling amount of the elastic adhesive 3 varies somewhat, the two-step groove has a buffering action. Have
Extrusion on the makeup side (outside) of the dent plate 2 is reduced, and the assembling workability is improved. Further, similarly to the first embodiment,
There is no generation of stairs.

(Embodiment 3) A staircase structure and a method of assembling a staircase as still another embodiment of the present invention will be described. FIG. 4A is a sectional view of a main part thereof, and FIG. It is a perspective view of. In the third embodiment, FIG.
As shown in (b), the upper side of the burr plate 2c is made convex, and the elastic adhesive 3 is filled along the groove 1c.
The stairs are formed by fitting the upper side of the recess 2c into the groove 1c of the step board 1.

Since the upper side of the above-described recessed plate 2c is formed in a convex shape, even if the filling amount of the elastic adhesive 3 varies somewhat,
The protruding portion has a buffering action, so that the protrusion does not protrude toward the decorative side (outside) of the burr plate 2c, and the assembling workability is improved. Further, as in the first embodiment, no stairs are generated.

It should be noted that the present invention is not limited to the above-described embodiment, but is included in the scope of the present invention even if there is a design change or the like without departing from the gist of the present invention. For example, in the second and third embodiments, the groove 1 b formed on the lower surface of the step board 1 is used.
Although the upper side of the recessed plate 2c is formed in a convex shape, the present invention is not limited to these.
The vertical side surface shape of the second groove formed on the bottom surface of the first groove b may be semicircular, or the upper end where the upper side of the recessed plate 2c is convex may be semicircular. The effect is obtained.

[0023]

According to the above-described staircase structure, the generation of stairs can be prevented by a very simple structure in which an elastic adhesive is interposed between the groove formed on the lower surface of the stepboard and the baffle plate. Has the effect of doing

In the staircase structure according to the second aspect, the groove formed on the lower surface of the step plate is formed of a plurality of steps, or the upper side of the recessed plate is convex, so that it is elastically bonded. 2. Even if there is some variation in the filling amount of the agent, it hardly protrudes to the decorative side (outside) of the baffle plate, the assembling work is easy, and there is no individual difference between workers and the like. It has the effect of preventing the stairs from sounding in the same manner as described above.

The method of assembling a stair according to claim 3 is
After filling the groove formed on the lower surface of the step board with the elastic adhesive on one side, the upper side of the baffle plate is inserted to assemble the stairs, so the gap between the step plate and the brace plate is filled with the elastic adhesive, and the This has the effect of following the deflection and distortion and preventing stairs from sounding.

[0026]

[Brief description of the drawings]

FIG. 1 is a sectional view of a main part showing a staircase structure as one embodiment of the present invention.

FIG. 2 is an enlarged sectional view of a portion A in FIG.

FIG. 3A is a cross-sectional view of a main part showing a staircase structure as another embodiment of the present invention. (B) is a perspective view of the step plate groove as viewed from below.

FIG. 4A is a sectional view of a main part showing a staircase structure as still another embodiment of the present invention. (B) is a perspective view of the recessed plate.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Step board 1a, 1b, 1c Groove part 2, 2c Skew board 3 Elastic adhesive

Claims (3)

[Claims] 1. An elastic adhesive is interposed between a groove formed on a lower surface of a step board and a recessed board of a stair constructed by combining a step board and a recessed board. And staircase structure. 2. The staircase structure according to claim 1, wherein the groove formed on the lower surface of the step board is formed of a plurality of steps, or the upper side of the recess is convex. 3. When combining the step board and the burr board, the groove formed on the lower surface of the step board is filled with an elastic adhesive, and the stairs are assembled by inserting the upper side of the burr board. How to assemble stairs.